12162546840 has 64 divisors (see below), whose sum is σ = 36506152800. Its totient is φ = 3241700352.

The previous prime is 12162546829. The next prime is 12162546841. The reversal of 12162546840 is 4864526121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12162546841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221676 + ... + 271044.

Almost surely, 2^12162546840 is an apocalyptic number.

12162546840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12162546840 is an abundant number, since it is smaller than the sum of its proper divisors (24343605960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12162546840 is a wasteful number, since it uses less digits than its factorization.

12162546840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51436 (or 51432 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 12162546840 in words is "twelve billion, one hundred sixty-two million, five hundred forty-six thousand, eight hundred forty".